Messages - Airlight

Thanks both of you for your replies, they did make light into my understanding. I think I tried to oversmart the set-up just because it was a cool idea. I will go then with as classic a set-up as possible.

Here's an interesting case : I want to set up a system with the MD and NAS into one location (say, one city) and a core into another (say, other city). The idea is that the first location can be better secured and not exposed to breakthroughs, while the other, the one which would request most services, needs to be easy on computing equipment. I guess I will be limited to the speed of the connection I can have, but is such a set-up possible and, if yes, how would you do it?

Just for you to get an idea, I want the system services to include in the first phase: access of music, access of books (!!), access and storage of pictures, zwave, and security. As you can see, not yet heavy media streaming - although a solution of that would be great.

Kindly please advice, and if I ask something that already exists (I tried the search and it didn't) my apologies.